.xfd-header {
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    background-color: @header-bg;
    box-sizing: border-box;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    font-size: @header-fontsize;
    height: @header-height;
    line-height: 1;
    padding: 0 10px;
    position: relative;
    text-align: center;
    white-space: nowrap;
      &:after {
    .bottom-line(@header-border-color, 2);
  }
}
.xfd-header .xfd-button {
    background-color: transparent;
    border: 0;
    box-shadow: none;
    display: inline-block;
    padding: 0;
    font-size: 0.3rem;
}
.xfd-header .xfd-button::after {
    content: none;
}
.xfd-header.is-fixed {
    top: 0;
    right: 0;
    left: 0;
    position: fixed;
    z-index: 1;
}
.xfd-header-button {
    -webkit-box-flex: .5;
        -ms-flex: .5;
            flex: .5;
}
.xfd-header-button > a {
    color: inherit;
}
.xfd-header-button.is-right {
    text-align: right;
}
.xfd-header-button.is-left {
    text-align: left;
}
.xfd-header-title {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    -webkit-box-flex: 1;
        -ms-flex: 1;
            flex: 1;
}